Clicking this will make more experts see the question and we will remind you when it gets answered.. This Cisco PWR-6000-DC 6500/7600 Chassis 6000W DC Power Supply is seller refurbished, tested, working, and sold with warranty. NetworkTigers, Inc. can overnight this Cisco PWR-6000-DC 6500/7600 Chassis 6000W DC Power Supply to your location.. The Duncan Custom is a hot humbucker which uses a small ceramic magnet and custom-wound coils to dish out a ‘P.A.F.-on-steroids’ tone. It has tight lows, a bump in the upper midrange which gives you more character and crunch, and an airy high end that cuts through heavy distortion but is also great for achieving crystal-clear clean tones..